writable: false means no code can reassign window.Audio to a different value. configurable: false means no code can even call Object.defineProperty again to change those settings. If fermaw’s initialisation code tried to restore the original Audio constructor (a perfectly sensible defensive move) the browser would either fail or throw a TypeError. The hook was permanent for the lifetime of the page.
Любовь Ширижик (Старший редактор отдела «Силовые структуры»)，推荐阅读谷歌浏览器【最新下载地址】获取更多信息
A new drug for advanced prostate cancer has shown promise in early trials experts have said, with the medication shrinking tumours in some patients.，推荐阅读WPS下载最新地址获取更多信息
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